// 实现类: Tablet.java（平板电脑）
public class Tablet implements ElectronicDevice {
    private static String model;

    public Tablet(String model) {
        this.model = model;
    }


    public static void powerOn() {
        System.out.println(model + "平板开机");
    }


    public void powerOff() {
        System.out.println(model + "平板关机");
    }


    public void repair() {
        System.out.println(model + "平板报修：可能屏幕损坏");
    }


    public void charge() {
        System.out.println(model + "平板正在充电...");
    }
}